1401152242 has 16 divisors (see below), whose sum is σ = 2407129920. Its totient is φ = 599205168.

The previous prime is 1401152231. The next prime is 1401152243. The reversal of 1401152242 is 2422511041.

It is not an unprimeable number, because it can be changed into a prime (1401152243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100617 + ... + 113692.

It is an arithmetic number, because the mean of its divisors is an integer number (150445620).

Almost surely, 2^1401152242 is an apocalyptic number.

1401152242 is a deficient number, since it is larger than the sum of its proper divisors (1005977678).

1401152242 is a wasteful number, since it uses less digits than its factorization.

1401152242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214785.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1401152242 is about 37431.9681822904. The cubic root of 1401152242 is about 1118.9957627759.

Adding to 1401152242 its reverse (2422511041), we get a palindrome (3823663283).

The spelling of 1401152242 in words is "one billion, four hundred one million, one hundred fifty-two thousand, two hundred forty-two".